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What is the correct way to reset 7841? (Version=11-0-1SR1-2)

aleksa
Level 1
Level 1

Hi all,

I wanted to reset the phones so they would pick up the correct firmware version.

I've followed and performed procedures from past post:

https://supportforums.cisco.com/discussion/12323706/cisco-7841-phone-factory-reset-using-keypad

but none of the 3 helped me reset the phones.

They are now on version:

1 - Cisco Systems - # RELEASE Model=78xx Version=11-0-1SR1-2

that is Version :sip78xx.11-0-1SR1-2.loads

On 4321 in CME mode I've got following relevant files:

344       4096 Feb 17 2017 11:07:28 +00:00 /bootflash/its
345         69 Feb 17 2017 11:07:27 +00:00 /bootflash/its/syncinfo.xml
346       1946 Feb 17 2017 11:07:27 +00:00 /bootflash/its/SIPDefault.cnf
347       4748 Feb 17 2017 11:07:27 +00:00 /bootflash/its/softkeyDefault_kpml.xml
348       4782 Feb 17 2017 11:07:27 +00:00 /bootflash/its/softkeyDefault.xml
349        824 Feb 17 2017 11:07:28 +00:00 /bootflash/its/featurePolicyDefault.xml
350       3904 Feb 17 2017 11:07:28 +00:00 /bootflash/its/SEP007686EDCE28.cnf.xml
351       1007 Feb 16 2017 10:26:32 +00:00 /bootflash/sip78xx.10-1-1SR1-4.loads
352     347580 Feb 16 2017 10:27:17 +00:00 /bootflash/sboot78xx.10-1-1SR1-4.sbn
353    3088960 Feb 16 2017 10:27:48 +00:00 /bootflash/kern78xx.10-1-1SR1-4.sbn
354   36176212 Feb 16 2017 10:30:08 +00:00 /bootflash/rootfs78xx.10-1-1SR1-4.sbn

Do you know any other way to get them on older firmware so they would work with CME version 10.5?

I can't register them to CME on current version...

Many thanks!

3 Replies 3

Manish Gogna
Cisco Employee
Cisco Employee

Hi,

Please check the following post to confirm if your phones actually support downgrading to version 10.1 or not

https://supportforums.cisco.com/discussion/12719226/ip-phone-78xx-firmware-downgrade-sip78xx10-3-1-12-sip78xx10-2-1-12-workaround

HTH

Manish

Hi all,

Quick update,

we managed to reset the phones using the menu, and to get into the menu, we used **#

Good luck!

aleksa
Level 1
Level 1

Hi all,

Quick update,

we managed to reset the phones using the menu, and to get into the menu, we used **#

Good luck!